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alisha [4.7K]
1 year ago
13

90 hazelnuts have a mass of 125g. Hazelnuts have 630 calories per 100g. Work out the number of calories per hazelnut.

Mathematics
1 answer:
Llana [10]1 year ago
8 0

Answer:

8.75 g

Step-by-step explanation:

Mass of 1 hazelnut= 125/90=1.388888889  g

Calories per g= 630/100= 6.3 calories per g

Calories per hazelnut= 6.3*1.388888889 =8.75 g

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The linearized regression equation for an exponential data set is log ŷ = 0.14x + 0.4, where x is the number of years and y is t
djyliett [7]

Option C: 316 is the predicted population when x=15

Explanation:

The regression equation for an exponential data is \log y=0.14x+0.4

Where x is the number of years and

y is the population

We need to determine the predicted population when x=15

The population x can be determined by substituting x=15 in the equation \log y=0.14x+0.4

Thus, we have,

\log y=0.14(15)+0.4

\log y=2.1+0.4

\log y=2.5

Using the logarithmic definition \log _{a}(b)=c then b=a^{c}

\log _{10}(y)=2.5 \Rightarrow y=10^{2.5}

y=316.22776 \ldots

Rounding off to the nearest whole number, we get,

y=316

Thus, the predicted population when x=15 is 316

Hence, Option C is the correct answer.

7 0
2 years ago
Alejandro bought $3.50 worth of pencils and erasers at the school store. Pencils cost $0.50 apiece, and erasers cost $0.75 apiec
Natalka [10]
The correct answer is B

6 0
2 years ago
Read 2 more answers
Select the correct answer.
LUCKY_DIMON [66]

Answer:

A

Step-by-step explanation:

because the points in the plot point graph are all close to the line which indicates a strong association.

Also the slope isn't closer to 0 than to 1 so that eliminates those answers.

3 0
1 year ago
(03.02 MC)
Rudik [331]

Answer: see photo

Step-by-step explanation:

5 0
1 year ago
Workers have packed 1,400 glasses in 7 boxes. If they pack 3 more boxes, how many glasses will they have packed in all?
Alexandra [31]
2000


1box = 1400/7 = 200
200×3=600
1400+600=2000


Step-by-step explanation:
Given :Workers have packed 1,400 glasses in 7 boxes.
To Find :If they pack 3 more boxes, how many glasses will they have packed in all?
Solution:
Workers packed no. of glasses in 7 boxes = 1400
Workers packed no. of glasses in 1 box =
Workers packed no. of glasses in 3 boxes =
                                                                      =
So, initially they packed 1400 glasses
If they pack 3 more boxes so, the pack 600 glasses more
So, The total no. of glasses have packed by workers = 1400+600 = 2000
Hence they have packed 2000 glasses in all.
5 0
2 years ago
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